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Wireless Network (UGC)

Description: WN
Number of Questions: 15
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Tags: WN Data Communication and Networks
Attempted 0/15 Correct 0 Score 0

Which of the following subsystems of GSM PLMN is mainly used for connection management?

  1. Base Station Subsystem

  2. Network Switching Subsystem

  3. Network Management System

  4. Mobile Station

  5. Message Service Gateway


Correct Option: B
Explanation:

This subsystem of GSM PLMN is mainly used for connection management.

Which of the following supplementary services of GSM network gives a subscriber the ability to forward incoming calls to another number if the called subscriber is not available?

  1. Call baring service

  2. Multiparty services

  3. Call forwarding

  4. Call hold

  5. Call waiting


Correct Option: C
Explanation:

This is a supplementary service of GSM network.

Which of the following standards of IEEE defines radio resource measurement enhancements?

  1. 802.11i

  2. 802.11k

  3. 802.11r

  4. 802.11p

  5. 802.11g


Correct Option: B
Explanation:

This standard of IEEE defines radio resource measurement enhancements.

Which of the following security services provided by IEEE is used to verify the identity of communicating client stations?

  1. Confidentiality

  2. Integrity

  3. Authentication

  4. Duplicate

  5. Reliable


Correct Option: C
Explanation:

This security service provided by IEEE is used to verify the identity of communicating client stations.

Which of the following is the lowest layer in GSM protocol stack?

  1. Physical layer

  2. Data link layer

  3. Network layer

  4. Session layer

  5. Presentation layer


Correct Option: A
Explanation:

This is the lowest layer in GSM protocol stack.

Which of the following interfaces in GSM PLMN architecture provides radio connection between a mobile station and base transceiver station?

  1. Abis interface

  2. Um interface

  3. A interface

  4. MAP interface

  5. G interface


Correct Option: B
Explanation:

This interface in GSM PLMN architecture provides radio connection between mobile station and base transceiver station.

Which of the following traffic parameters in an ATM network refers to the average cell rate?

  1. Peak cell rate

  2. Sustained cell rate

  3. Maximum burst size

  4. Available bit rate

  5. Reactive congestion control


Correct Option: B
Explanation:

This traffic parameter in an ATM network refers to the average cell rate.

Which of the following components of Network Switching Subsystem is a database that stores and maintains subscriber identity?

  1. MSC

  2. AUC

  3. HLR

  4. EIR

  5. GMSC


Correct Option: C
Explanation:

This component of Network Switching Subsystem is a database that stores and maintains subscriber identity.

Which of the following terms is used to check for a corrupted segment?

  1. Acknowledgement

  2. Retransmission

  3. Checksum

  4. TCP error control

  5. Destination port number


Correct Option: C
Explanation:

This term in retransmission of data packets using TCP protocol is used to check for a corrupted segment.

Which of the following components in Dense Wavelength Division Multiplexing (DWDM) compensates the loss in optical power while the signal travels along the fibre?

  1. Terminal multiplexer

  2. Intermediate line amplifier

  3. Optical add/drop multiplexer

  4. Terminal demultiplexer

  5. Optical supervisory channel


Correct Option: B
Explanation:

This component in Dense Wavelength Division Multiplexing (DWDM) compensates the loss in optical power while the signal travels along the fibre.

Which of the following fields of Routing Information Protocol message format is a 14 byte length field and defines the address of the destination network?

  1. Command

  2. Version

  3. Family

  4. Network address

  5. Distance


Correct Option: D
Explanation:

This field of Routing Information Protocol message format is a 14 byte length field and defines the address of the destination network.

Which of the following protocols in TCP/IP network architecture is called a connectionless, unreliable transport protocol?

  1. HTTP

  2. ICMP

  3. Sliding window protocol

  4. UDP

  5. Subnetting


Correct Option: D
Explanation:

This protocol in TCP/IP network architecture is called a connectionless, unreliable transport protocol.

Which of the following service classes in ATM Adaption Layer supports a connection-oriented service?

  1. Class A

  2. Class B

  3. Class C

  4. Class D

  5. UBR


Correct Option: B
Explanation:

This service class in ATM Adaption Layer supports a connection-oriented service.

Which of the following fields of Open Shortest Path First (OSPF) protocol specifies the length of the OSPF packet in octets and also includes the OSPF header?

  1. Version number

  2. Packet length

  3. Router ID

  4. Area ID

  5. Authentication type


Correct Option: B
Explanation:

This field of Open Shortest Path First (OSPF) protocol specifies the length of the OSPF packet in octets and also includes the OSPF header.

Which of the following levels in X.25 network protocol stack provides reliable transfer of data across the physical link and the link standard is referred to as LAP-B?

  1. Physical level

  2. Packet level

  3. Network level

  4. Session layer

  5. Datalink level


Correct Option: E
Explanation:

This level in X.25 network protocol stack provides reliable transfer of data across the physical link and the link standard is referred to as LAP-B.

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